Premature babies face many risks of dangerous diseases, even death. One of the factors related to premature birth is short cervix size. However, does a short cervix definitely cause women to give birth prematurely?

Ultrasound is a commonly prescribed test that works by using high-frequency sound waves to examine parts of the body. However, like other tests, ultrasound can still encounter image noise that can distort the results. So what is image noise in ultrasound imaging?